Summer is here, and it seems to have brought me some problems.
I seem to be getting heat rash from my tfillin shel yad. During, and for another half hour or so after davening, my arm gets all red and ...

I have several questions related to Sta"m (Torah, mezuzot tefillin) ink:
What materials are allowable?
What materials are typically used to make the ink? Why these materials, specifically? (cheaper, ...

B'ezrat Hashem I plan on going to Israel next month, however, this presents a small problem. As a Kohen, I will be duchaning every day, while wearing my tefillin. Due to the placement of the tefillah ...

I've noticed that some tefillin have very sharp edges at the base of the titura. As many people may have noticed, this can become highly uncomfortable while davening.
Does anyone have a solution for ...

I was reading the Wikipedia article on R' Netanel Sofer, the inventor of tefillin gassot earlier and learned something which seems somewhat suspect: he was the sofer for the Chofetz Chaim's tefillin. ...

In schul, I've noticed that there is a pair of peshutim which have been partially deconstructed. In particular, I noticed that the partitions between the compartments of the shel rosh seemed somewhat ...

When we wrap, there seems to be a prevalent custom to incorporate the shapes Dalet, Yod and Shin in the strap on the hand/arm (depending on one's custom (discussed in Sefer Ta'amei Haminhagim page 13 ...

There's this video for "ancient tefillin wrapping" that shows a wrapping style utilizing the paleo-hebrew characters. The statement is that this method of wrapping is preserved by the "Banei Abir clan ...

Technically, one should wear Tefillin all day. We don't, since we can't keep ourselves clean the whole day.
But we still put it on once a day during Shacharis, since we can presumably keep ourselves ...

If I was sick all day and was unable to put on Teffilin during the day, may I put it on at night to make up for the day I missed? If I remember correctly, the Mishna Berurah says that if one will not ...

Those who wear tefillin on chol hamoed remove them before beginning Hallel. What is the reasoning behind doing that? Also, is there an ideal time to remove them (e.g., before or after the repetition ...

I have heard it said that the reason as to why Ashkenazim place their mezuzot at an angle is to harmonise the opinion of Rashi, who held that it should be vertical (Menachot 33a, s.v. איסתוירא), with ...

As mentioned in this question, there is a fairly widespread custom to kiss the tefillin at certain times during Shacharis, among them the parts of קריאת שמע that mention tefillin.
One of these times ...

Mesechtas Shabbos 133b gives a list of items that one should do with nice things in order to beautify the Mitzva. Conspicuously absent is Tefilin. Is there a source to get nice Tefilin? If not, why is ...

Berachos discusses the importance of saying shema while wearing tefellin. Saying shema without tefellin is likened to bringing an incomplete sacrifice (Berachos, 14b). Similiary, one who washes his ...

Let's say Aharon missed Shacharis. He needs to pray Shemoneh Esrei twice by mincha time to make it up, which is called "tashlumin" (תשלומין). (OC 108:1)
Now, Aharon can put on tefilin at any point in ...

I've recently been having a couple of problems with the retzuot (straps) for my head tefillin. First and foremost, the knot ("double-dalet" or "square" if it makes a difference for answers) has been ...

What is the halacha behind gifting tefilin? What is the halacha of receiving tefilin? Can a Jew gift his only pair of tefilin if he does not use it and can another Jew accept a gift which leaves the ...

The earliest time to wrap tefillin in my town is 6:14 (for the next little while), on Monday and Thursday we start at 6:15. Is it OK if I finish wrapping my tefillin before 6:14? Do I still get the ...

All of the button down shirts that I own cannot be rolled up past the elbow. To put on tefillin I need to roll the sleeve all the way to the shoulder. What do you look for in a shirt to determine that ...

I follow chabad custom which, when it gets down to my hand, I believe involves only wrapping one finger of the hand in addition to the palm. I make the shin on my arm. But the Shema says bind it on ...

This is a tad embarrassing, given that I've been wearing tefillin for decades, but I've always had trouble wrapping the retzuot around the battim when putting away tefillin. Quite frankly, I've taken ...

I have been putting on talit along with tefilin for over a decade, and I still frequently get the strap of my shel yad tangled in the one of the fore-tzitzit of my talit when I'm winding it around my ...

Let's assume that one puts on the shel yad (hand-tefillin) before the shel rosh, and based on that, should be careful to take out the shel yad first (because of "אין מעבירין על המצוות").
What should ...

Are there halachas for how an animal for tefillin must be killed? Or can it, for example, be shot, assuming it was shot by a non Jew.
If there are no restrictions, why not? (one would think that we ...